diff --git a/DotUML.txt b/DotUML.txt
new file mode 100644
index 0000000..08b59ed
--- /dev/null
+++ b/DotUML.txt
@@ -0,0 +1,84 @@
+/*
+ClassDiagram [frame=true framecolor=steelblue label="Class Diagram"] {
+ abstract class User {
+  private userId : string
+  private email : string
+  private loginStatus : Status
+  public login(email: string, password:string)
+ }
+ class Administrator {
+  private adminName : string
+ }
+ Administrator -g-> User
+}
+*/
+ClassDiagram [frame=true framecolor=steelblue label="Class Diagram"] {
+  class Sport{
+    can_be_nul:boolean
+    id:int
+    r
+    }
+  class Football{
+    }
+  class Basket{
+    }
+  class Tennis{
+    }  
+  class Course_de_Chevaux{
+    }
+  
+  class mi_temps{
+    }
+  class quart_temps{
+    }
+  class sets{
+    }
+  
+  class Match{
+    recup_result(): int
+    }
+  
+  class Course{
+    }
+  
+  class Participants{
+    }
+  
+  
+  
+
+
+  /* déclarer chaque sport */
+  Football -g-> Sport
+  Basket -g-> Sport
+  Tennis -g-> Sport
+  Course_de_Chevaux -g-> Sport
+  
+  /* equipe dans chaque sport */
+  Participants "2" -- "1" Football;
+  Participants "2" -- "1" Basket;
+  Participants "2" -- "1" Tennis ;
+  Participants "3..20" -- "1" Course_de_Chevaux with Course;
+  
+  mi_temps "2" -c-> "1" Football
+  sets "2..5" -c-> "1" Tennis
+  quart_temps "4" -c-> "1" Basket
+  
+  
+  class Pari{
+    montant
+    resultat
+    id
+    }
+  class Pari_Simple{
+    }
+  class Pari_Avance{
+    
+    }
+  class Parieur{
+  
+  }
+  
+  Pari_Avance -g-> Pari
+  Pari_Simple -g-> Pari
+  }